The hydraulic system of hydraulic excavators has low energy efficiency during operation and has great energy-saving potential.This article takes the hydraulic system of a 37 t hydraulic excavator as the research object.By analyzing the working characteristics,workflow,and advantages and disadvantages of commonly used hydraulic systems in excavators,a systematic study is conducted on the energy-saving methods of excavator hydraulic systems.At the same time,this article starts from the macro analysis of energy conservation in hydraulic systems,diversified control strategies for pumps,and the study of the working characteristics of components for energy conservation.It elaborates on an energy recovery and utilization scheme for boom potential energy,which can effectively improve the efficiency and energy utilization of hydraulic excavators.
关键词
挖掘机/液压系统/节能技术/能量回收利用
Key words
excavator/hydraulic system/energy-saving technology/energy recovery and utilization
维普
万方数据